/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartitionRuntimeHash.h
bool ConditionalRegisterAlwaysLoadedActorsForPIE ( const [IStreamingGenerationContext::FActorSetInstance](API\Runtime\Engine\WorldPartition\IStreamingGenerationContext\FActorSetInstance) * ActorSetInstance, bool bIsMainWorldPartition, bool bIsMainContainer, bool bIsCellAlwaysLoaded )